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Finding the Fourth Proportional to 4,713.36, 7,070 and 4,013.52

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Solution

The fourth proportional to 4,713.36, 7,070 and 4,013.52 is: 6,020.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,713.36 : 7,070 = 4,013.52 : x
  2. Step 2: Convert to fraction form
    4,713.36/7,070 = 4,013.52/x
  3. Step 3: Cross multiply
    4,713.36x = 7,070 × 4,013.52
  4. Step 4: Simplify right side
    4,713.36x = 28,375,586.40
  5. Step 5: Solve for x
    x = 28,375,586.40/4,713.36
  6. Step 6: Final answer
    x = 6,020.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.